A cult's apocalyptic endgame

<B>A cult's apocalyptic endgame</B> The most recent works by Nobel Prize-winning Japanese author Kenzaburo Oe have tended to be readable, thinly veiled autobiographies featuring his mentally challenged son, Hikari. But his massive new novel, <B>Somersault</B> as ambitious as it is ambiguous focuses on the Japanese fascination with quasi-Christian, apocalyptic cults....